/
tracing.go
90 lines (87 loc) · 2.22 KB
/
tracing.go
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package tracing
import (
"time"
"contrib.go.opencensus.io/exporter/jaeger"
"contrib.go.opencensus.io/exporter/ocagent"
"contrib.go.opencensus.io/exporter/zipkin"
openzipkin "github.com/openzipkin/zipkin-go"
zipkinhttp "github.com/openzipkin/zipkin-go/reporter/http"
"github.com/owncloud/ocis/graph/pkg/config"
"github.com/owncloud/ocis/ocis-pkg/log"
"go.opencensus.io/stats/view"
"go.opencensus.io/trace"
)
func Configure(cfg *config.Config, logger log.Logger) error {
if cfg.Tracing.Enabled {
switch t := cfg.Tracing.Type; t {
case "agent":
exporter, err := ocagent.NewExporter(
ocagent.WithReconnectionPeriod(5*time.Second),
ocagent.WithAddress(cfg.Tracing.Endpoint),
ocagent.WithServiceName(cfg.Tracing.Service),
)
if err != nil {
logger.Error().
Err(err).
Str("endpoint", cfg.Tracing.Endpoint).
Str("collector", cfg.Tracing.Collector).
Msg("Failed to create agent tracing")
return err
}
trace.RegisterExporter(exporter)
view.RegisterExporter(exporter)
case "jaeger":
exporter, err := jaeger.NewExporter(
jaeger.Options{
AgentEndpoint: cfg.Tracing.Endpoint,
CollectorEndpoint: cfg.Tracing.Collector,
Process: jaeger.Process{
ServiceName: cfg.Tracing.Service,
},
},
)
if err != nil {
logger.Error().
Err(err).
Str("endpoint", cfg.Tracing.Endpoint).
Str("collector", cfg.Tracing.Collector).
Msg("Failed to create jaeger tracing")
return err
}
trace.RegisterExporter(exporter)
case "zipkin":
endpoint, err := openzipkin.NewEndpoint(
cfg.Tracing.Service,
cfg.Tracing.Endpoint,
)
if err != nil {
logger.Error().
Err(err).
Str("endpoint", cfg.Tracing.Endpoint).
Str("collector", cfg.Tracing.Collector).
Msg("Failed to create zipkin tracing")
return err
}
exporter := zipkin.NewExporter(
zipkinhttp.NewReporter(
cfg.Tracing.Collector,
),
endpoint,
)
trace.RegisterExporter(exporter)
default:
logger.Warn().
Str("type", t).
Msg("Unknown tracing backend")
}
trace.ApplyConfig(
trace.Config{
DefaultSampler: trace.AlwaysSample(),
},
)
} else {
logger.Debug().
Msg("Tracing is not enabled")
}
return nil
}